Tsunami wave generation by the eruption of underwater volcano
Eruption of volcanoes represents one of important origins of tsunami waves and is responsible for most catastrophic tsunami (Krakatau, 1883; Thira, BC). The products of volcano eruption include solids, liquids (lava) and gases. The present article presents hydrodynamic model of relatively slow proce...
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Copernicus Publications
2007
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ftnonlinearchiv:oai:noa.gwlb.de:cop_mods_00032695 2023-05-15T16:59:13+02:00 Tsunami wave generation by the eruption of underwater volcano Egorov, Y. 2007-01 electronic https://doi.org/10.5194/nhess-7-65-2007 https://noa.gwlb.de/receive/cop_mods_00032695 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00032649/nhess-7-65-2007.pdf https://nhess.copernicus.org/articles/7/65/2007/nhess-7-65-2007.pdf eng eng Copernicus Publications Natural Hazards and Earth System Sciences -- http://www.bibliothek.uni-regensburg.de/ezeit/?2064587 -- http://www.nat-hazards-earth-syst-sci.net/ -- 1684-9981 https://doi.org/10.5194/nhess-7-65-2007 https://noa.gwlb.de/receive/cop_mods_00032695 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00032649/nhess-7-65-2007.pdf https://nhess.copernicus.org/articles/7/65/2007/nhess-7-65-2007.pdf https://open-access.net/ uneingeschränkt info:eu-repo/semantics/openAccess article Verlagsveröffentlichung article Text doc-type:article 2007 ftnonlinearchiv https://doi.org/10.5194/nhess-7-65-2007 2022-02-08T22:46:09Z Eruption of volcanoes represents one of important origins of tsunami waves and is responsible for most catastrophic tsunami (Krakatau, 1883; Thira, BC). The products of volcano eruption include solids, liquids (lava) and gases. The present article presents hydrodynamic model of relatively slow process of eruption, with domination of liquids. The process of underwater eruption of lava causes the disturbance of ocean free surface. The standard formulation of hydrodynamic problem for incompressible fluid in cylindrically symmetric layer of with rigid bottom and free surface with local hydrodynamic source (volcano) is used. This problem is solved by constructing Green function using methodology of Sretenskij. The solution is obtained in the form of an integral and depends on the dynamics of eruption. Real data show that some volcanoes can erupt several millions of tons of lava during several dozens of seconds (Bezimjannij, Kamchatka). The long waves are more efficiently generated by larger T: these tsunamis can have smaller initial perturbations of free surface, but the waves are long and can transmit their energy over longer distances. Article in Journal/Newspaper Kamchatka Niedersächsisches Online-Archiv NOA Natural Hazards and Earth System Sciences 7 1 65 69 |
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English |
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article Verlagsveröffentlichung Egorov, Y. Tsunami wave generation by the eruption of underwater volcano |
topic_facet |
article Verlagsveröffentlichung |
description |
Eruption of volcanoes represents one of important origins of tsunami waves and is responsible for most catastrophic tsunami (Krakatau, 1883; Thira, BC). The products of volcano eruption include solids, liquids (lava) and gases. The present article presents hydrodynamic model of relatively slow process of eruption, with domination of liquids. The process of underwater eruption of lava causes the disturbance of ocean free surface. The standard formulation of hydrodynamic problem for incompressible fluid in cylindrically symmetric layer of with rigid bottom and free surface with local hydrodynamic source (volcano) is used. This problem is solved by constructing Green function using methodology of Sretenskij. The solution is obtained in the form of an integral and depends on the dynamics of eruption. Real data show that some volcanoes can erupt several millions of tons of lava during several dozens of seconds (Bezimjannij, Kamchatka). The long waves are more efficiently generated by larger T: these tsunamis can have smaller initial perturbations of free surface, but the waves are long and can transmit their energy over longer distances. |
format |
Article in Journal/Newspaper |
author |
Egorov, Y. |
author_facet |
Egorov, Y. |
author_sort |
Egorov, Y. |
title |
Tsunami wave generation by the eruption of underwater volcano |
title_short |
Tsunami wave generation by the eruption of underwater volcano |
title_full |
Tsunami wave generation by the eruption of underwater volcano |
title_fullStr |
Tsunami wave generation by the eruption of underwater volcano |
title_full_unstemmed |
Tsunami wave generation by the eruption of underwater volcano |
title_sort |
tsunami wave generation by the eruption of underwater volcano |
publisher |
Copernicus Publications |
publishDate |
2007 |
url |
https://doi.org/10.5194/nhess-7-65-2007 https://noa.gwlb.de/receive/cop_mods_00032695 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00032649/nhess-7-65-2007.pdf https://nhess.copernicus.org/articles/7/65/2007/nhess-7-65-2007.pdf |
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Kamchatka |
genre_facet |
Kamchatka |
op_relation |
Natural Hazards and Earth System Sciences -- http://www.bibliothek.uni-regensburg.de/ezeit/?2064587 -- http://www.nat-hazards-earth-syst-sci.net/ -- 1684-9981 https://doi.org/10.5194/nhess-7-65-2007 https://noa.gwlb.de/receive/cop_mods_00032695 https://noa.gwlb.de/servlets/MCRFileNodeServlet/cop_derivate_00032649/nhess-7-65-2007.pdf https://nhess.copernicus.org/articles/7/65/2007/nhess-7-65-2007.pdf |
op_rights |
https://open-access.net/ uneingeschränkt info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5194/nhess-7-65-2007 |
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Natural Hazards and Earth System Sciences |
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7 |
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1 |
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65 |
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69 |
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1766051440551264256 |